20155974 is an even 8-digits composite number following 20155973
and preceding 20155975 . In scientific notation, it is written as 2.0155974 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 6675552 positive integers (up to 20155974) that are relatively prime to 20155974.
20155974 has 16 divisors, whose sum is 40570608
The reverse of 20155974 is 47955102
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred fifty-five thousand nine hundred seventy-four
Scientific notation
2.0155974 × 10^7
Engineering notation
2.0155974 × 10^6
Prime Factorization
2 × 3 × 157 × 21397
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20155974
Product of the distinct prime numbers
The prime factorization of 20155974 is 2 × 3 × 157 × 21397.
Since it has a total of 4 prime factors.
7 , 7 , 18 , 81 , 172 , 838 , 9975 , 275 , 83939 , 24160 , 658185 , 799180 , 7542239 , 8678491 , 24304596 , 97019808 , 953685085 , 43132093 , 7729222497 , 415768154
n×2
40311948
n×3
60467922
n×4
80623896
n×5
100779870
n÷2
10077987
n÷3
6718658
n÷3
5038993.5
n÷5
4031194.8
n2
406263287888676
n3
8.1886322678387E+21
n4
1.6504985908612E+29
n5
3.3267406684434E+36
2 √n
4489.54051101
3 √n
272.1455661867
4 √n
67.00403354284
5 √n
28.898863115155
1 , 2 , 3 , 6 , 157 , 314 , 471 , 942 , 21397 , 42794 , 64191 , 128382 , 3359329 , 6718658 , 10077987 , 20155974
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20155973
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20155974 can be divided by 16 positive divisors.
The sum of these divisors (counting 20155974) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111000111001000110
3
Ternary
1101221000210120
4
Quaternary
1030320321012
5
Quinary
20124442344
6
Senary
2000002410
8
Octal
114707106
10
Decimal
20155974
12
Duodecimal
6900406
16
Hexadecimal
1338e46
20
Vigesimal
65j9ie
36
Base36
c00g6
md5
451abb2fa823214d9f1b2db9e1bf246e
sha1
66bb030a2a859966d33c951580ebdad14841646e
sha256
e411f58d9272a4645a7f84f51fac0de8d03c26358c71dfc64e8eb5043827e048
sha512
329e62a3db55ea43f4ff6825c82f807f6949f062f8bb1960c252b8c4a6a5ad77488e14962d43d88d5ce0fd2755490bbd832127de3b5902dc767d0e470b79a948
ripemd-160
6355708cec4c85fbce8581647e23acc57cb111a3
Diameter
40311948
Circumference
126643719.68869
Area
1.2763137606543E+15
Volume
3.430046263412E+22
Surface area
5.1052550426172E+15
Circumference
126643719.68869
Perimeter
80623896
Area
406263287888676
Diagonal
28504851.793639
Surface area
2437579727332056
Volume
8.1886322678387E+21
Space diagonal
34911171.044037
Perimeter
60467922
Area
1.7591716396829E+14
Altitude
17455585.522019
Surface area
1.7591716396829E+14
Volume
9.6503956753862E+20
Height
9501617.2645465